看阿木的图他们是接的pixhawk的Telme2口，我看了下我pixhawk2.4.8 上面确实是有这个口的。
https://item.taobao.com/item.htm?spm=a1z10.3-c-s.w4002-22617251046.31.f2ba7079WVoZ9f&id=606200196150
下面这个图我好像也在哪里见过。难不成也是阿木的？
https://blog.csdn.net/baidu_41025055/article/details/90739713?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare
这个图还真是阿木里面看到的
https://blog.csdn.net/msq19895070/article/details/80250363?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522159650625019195265953905%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=159650625019195265953905&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v1~rank_blog_v1-2-80250363.pc_v1_rank_blog_v1&utm_term=off&spm=1018.2118.3001.4187
telem2好像也可以作为UART接口
苍穹四轴的树莓派接pixhawk的教程里也是接的telem2！！！！！
https://blog.csdn.net/sinat_16643223/article/details/107032665?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522159644628919724842917434%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=159644628919724842917434&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v1~rank_blog_v1-1-107032665.pc_v1_rank_blog_v1&utm_term=%E6%A0%91%E8%8E%93%E6%B4%BE&spm=1018.2118.3001.4187
https://blog.csdn.net/sinat_16643223/article/details/107755981
Mini光流接pixhawk时也是接的telem2口，是否位置传感器都是接这个口？
https://blog.csdn.net/qq_29573053/article/details/72518302
这下面似乎和上面这个都说到了USB转串口模块？
https://404warehouse.net/2015/12/20/autopilot-offboard-control-using-mavros-package-on-ros/
阿木/苍穹四轴那款APM固件的pixhawk接树莓派也是用telem2口
可见我这个博文：https://blog.csdn.net/sinat_16643223/article/details/107981451
